What color is Print, Frontispiece, vasi invention, from "Collection de divers sujets de vases, tombeaux, ruines et fontaines, utile aux artistes..." ?

Source Crayola® CSS3 CSS4
#535049
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8e887a
 
#9f8170
beaver
#808080
grey
#808080
grey
#716c61
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#ada896
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey